black white 0-10v 1-10v 3 circuit head adjustable led shop track lamp 15 beam angle track fixture for accent lighting

-easy to install and very small beam angle especially for accent lighting, which is perfect for clothes store, show room, museum, and restaurant area; -white body color or black body color available; -simple design and custom-made available; -adapter (2 wires / 4 wires) available;